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February 28, 2023 Service bulletin

Engine and engine cooling: exhaust system: emission control: catalytic convertor

Chevrolet technical service bulletin PIP5879B for 2023 Chevrolet Silverado 1500 and 2023 GMC Sierra 1500.

Bulletin number
PIP5879B
Component
Engine and engine cooling: exhaust system: emission control: catalytic convertor
Summary
This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.

Owners of these vehicles have filed 418 complaints in the engine category.

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